Automobile.



R. S. FEND A AumMoBrLE.

APPLICATION FILED .1UHE26. 75H5. 1,244,045.

Patented Oct. 23,1917.

` n. s. FEND. AuToMolLs.

v APPLICATION FILLU )UNE 26, 1915.. 1,244,045. rPatented (m2112917.

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'vided a reversing switch which automatically operates to reverse 'the direction of eun'ent through the series field winding at the moment'when the dynamo shifts in its operation to that of a generator. Other featuresofmy invention will be more particularly pointed out in the following specification and appended claims.

,Crank shaft directly My invention is illustrated in the' accompanyingdrawings in which like characters designate like elements throughout the dify ferent views-,fand in which Fixiitrell isa planv of the chassis showin r1 the 2 is an. l parts cut awaytemere clearlyl disclose the relative positions 'foi-.the power elements;l

wheel l14 and the forward gear 15 of the eaiishif't mechanism 16, which mechanism `engi i ie, and the "preferably twice that of `t providing also an. intermediate position in i I'.vvhichthe enginey and motor is ofa well known constructionpr'oviding twomotor. peeds, one equal to l that of the other sdnewhat greater,

ed engine, and

are entirely separated. The rearwardly/ .axtending sha t l 1 8 of the gear shift mechanism is directly connected with the armature of the dynamo 20, the shaft of which 'carries at its rear rnd/the an 21 of a mechanically operated clutch.

suitable shifting mechanism, not lhere i ustiyated,f"'so as 'to .I iii"a"suitable man itinto and out of V'the .clutch Y mounted '.11 ...into the 1' prward end of'the gear shift ,gmechanismf and carries thereon a gear. .26 This gear shift mechanism is of the 'l. `ll,Sual-.f forin'with the exception that it has engagement with pan,- it being reciprocatively onthe shaft 24 which extends r '\`fei' s in g ositiom the reverse being htabout y the operation of the d ynani,v 2 O' i i. i t s revers e direction. Therearardlyextending shaft of this gear shift" hanismfis connected vwith a universal j coilxof relay 68, conductor 69., switch plates h -ineans of' a worin" ed tlijt e sections of the rea The' .storageJ .battery 32 the vehicle', not. fuselage s orth'at reason m'eie'l 4vu rated in a. satisfactory position with reference to the It is to-be understood that the gear bution of power elements thereon elevation of thje.chas sis with shaft 29 second' universal joint 30 shift mechanismherein illustrated to be tor that for ordinary use the engine and fnotor may be directly connected one with the other and the clutch .drum and propeller shaft may likewise be directl connectedl This is the condition 'whic will r-.pordinarily prevail in driving the vehicle upon city streets and on. comparatively level and smooth country roads;

In Fig. 3 the circuit'fqi'ithe motor is diagrammaticall illustratedf Inthe operation of the veli-ic e the leve1""-'arin 35, 'which is referably magnetically connected with the ever on the operators" steering wheel,"is moved to a position' which it contacts with the segment 36 .and the b utton 37 of the variable resistance device 38.

Inthis position of the levcgri` circuits are completed from the battery 40v through the ampere hour meter''f41, coil 43 and contacts 44 and 45.- of electromagnetic l device .46, conductor 47, series dynamo .field coils 48', conductor l49, contacts 50 and lf'of electromagnetic-device 46, and thencefdividng throu h the paths including conductor 54, shunt ynamo -coils 55, rheostati'button 37, arm '35, and con- 40, the O ler '(Egrtion' includingthe' hig resistance-win g758' of v.electro-magnetic device conductor- 59', 'electro-magnet, conductor 61, segment 36, arm 35, and'conf ductor 56 to "the negative pole ofthe battery? That lportion of the current which traverses the first Vpath' en e es the motor ductor .56 the negativepole ofV b atterlyy mgleld to a "comparatively high saturation; .he cone member 22 of this @meer y may beoperated by an That por-tion which traverses electro-mag nets 58 and 60 causes the operation of4 the electro-ma etic device 46 andcai'ises the withdraw of the pawl 64 from the ratchet of the brake lever 65 so'that th'at lever may of elctromagnetic device 46, conductor .54,

b The current in akt wifey.; closin -i-ts-'f' contacts e, cirotgof theynamo arma conductor 42, series which the armature of relay 68 oon- 180 ductor 54, thence through contacts 70 and 71 of relay 68, amature 72 of the dynamo, and conductor 56 to the negativepole of battery 40. Upon the irst rush of current Vin thispath the coil 43 of eletromagnetic t tion to increase the saturation ofthe dynamo fields. i v

The gasolene engine is preferably provided with automatic spark advances so that it is controlled by the simplev movement of a single throttle lever. "It is'to be understood that the dynamo in starting up through the circuit arrangement just heretofore described carries the en e crank shaft with it, either at ythe full speed of the dynamo, or at half the speed of the dynamo, depending upon the setting of the gear shift mechanism 16. By the movement of the arm 35 over the contacts of the rheostat 38 resistance is included in series with the shunt field coils and the magnetization of the dynamo field thereby decreased and the v motor speed consequently increased.

For each setting of the lever 35 a dynamo speed may be obtained by the aid of the gasolene engine at which the dynamo will cease to operate as a motor, but will generate in its armature a voltage equal Vto that of the storage battery with Which the armature is connected. If the speed is increased above this point the voltage generated in the motor armature will cause a reversal of current in t the armature and a consequent charge of the battery 40. Either at, or slightly in advance of the reversal of current in the armature circuit, the electro-magnetic device 46, by reason of the lack of magnetization in its winding 43, or by reason of a reversal of such ma etization, changes vits position causing t e currentlgenerated in the armature to flow in the opposite direction through the series coils 48, thus aiding inthe magnetization of the field, instead of subtracting from it, as Would be the case if there were no reversal of current through the series coils. If a hill, or rough roads, encountered so that the lspeed of the vehicle is slightly decreased the generator 72 will immediately be reconverted into a dynamo causing the current to again reverse "through the series coil 43 of the electro-magnetic device 46, which .reversal acts torelease the armature portion of the electro-magnetic device 46, thusy bringing4 the series Winding 48 of the dynamo field back into 'circuit with current iiowing in the roper direction to strengthen the dynamo eld.

Although I have shown and described my invention with particular reference to the details herein illustrated, it is to be understood that certain modifications of this specie arrangement may be made without departing from the lspirit or scopey of my invention.. i iy Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1 A motor vehiclehaving a driving axle, an electric dynamo and a gasolene engine for propelling the vehicle, ratio changing gears between the en lne and dynamo by means of which the engine and dynamo may heidi rectly connected, or connectedto operate at different speeds, a `second ratio changing vage battery and having a gasolene engine, a Vratio changing gear mechanism directly connected therewith, an electric dynamo with its armature directly connected with said ratio changing gear mechanism, a friction clutch, a second ratio changing gear mechanism, a propeller shaft and a driving axle,- arranged in the order named from the front to the rear of the vehicle, said engine and dynamo being adapted to either separately,

or together, propel the vehicle. t

3. In a motor vehicle, the combination with a gasolene engine and anelectric dynamo of a sliding gear transmission interposed betweenthe engine and the dynamo and having a neutral position in which the engine and dynamo are disengaged whereby the dynamo may be operated Without the engine, and connecting means including the clutch and secondsliding gear transmission for operatively driving the rear Wheels of the vehicle.

In Witness whereof, I hereunto subscribe my name this 18th day of June,- A. D. 1915.

. A l ROLANDS. FEND.

Witnesses:

THOMAS CLEMEN'rs, lN. B. KENNEDY. 

